[...]

libtool: and run autoconf again.
make[3]: *** [Makefile:489: iv_thread_test] Error 63
make[3]: Leaving directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
make[3]: Entering directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
/bin/sh ./libtool  --tag=CC   --mode=link i686-tld-linux-gcc  -O2 -fwrapv -pipe -Wformat -Werror=format-security -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2 -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong --param=ssp-buffer-size=4 -Werror=trampolines -fomit-frame-pointer -march=i686 -fasynchronous-unwind-tables -mtune=pentium4 -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2  -Wall -pthread  -Wl,--as-needed -Wl,--no-copy-dt-needed-entries -Wl,-z,relro -Wl,-z,combreloc  -o iv_event_bench_timer iv_event_bench.o ./../src/libivykis.la 
libtool: Version mismatch error.  This is libtool 2.4.7, but the
libtool: definition of this LT_INIT comes from libtool 2.4.6.
libtool: You should recreate aclocal.m4 with macros from libtool 2.4.7
libtool: and run autoconf again.
make[3]: *** [Makefile:477: iv_event_bench_timer] Error 63
make[3]: Leaving directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
make[3]: Entering directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
i686-tld-linux-gcc -DHAVE_CONFIG_H -I.  -D_GNU_SOURCE -I./../src/include -I./../src/include   -O2 -fwrapv -pipe -Wformat -Werror=format-security -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2 -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong --param=ssp-buffer-size=4 -Werror=trampolines -fomit-frame-pointer -march=i686 -fasynchronous-unwind-tables -mtune=pentium4 -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2  -Wall -pthread -MT server.o -MD -MP -MF .deps/server.Tpo -c -o server.o server.c
server.c: In function 'handler':
server.c:56:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |                 write(ret, buf, len);
      |                 ^~~~~~~~~~~~~~~~~~~~
mv -f .deps/server.Tpo .deps/server.Po
make[3]: Leaving directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
make[3]: Entering directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
i686-tld-linux-gcc -DHAVE_CONFIG_H -I.  -D_GNU_SOURCE -I./../src/include -I./../src/include   -O2 -fwrapv -pipe -Wformat -Werror=format-security -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2 -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong --param=ssp-buffer-size=4 -Werror=trampolines -fomit-frame-pointer -march=i686 -fasynchronous-unwind-tables -mtune=pentium4 -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2  -Wall -pthread -MT iv_wait_test.o -MD -MP -MF .deps/iv_wait_test.Tpo -c -o iv_wait_test.o iv_wait_test.c
mv -f .deps/iv_wait_test.Tpo .deps/iv_wait_test.Po
make[3]: Leaving directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
make[3]: Entering directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
i686-tld-linux-gcc -DHAVE_CONFIG_H -I.  -D_GNU_SOURCE -I./../src/include -I./../src/include -DTHREAD   -O2 -fwrapv -pipe -Wformat -Werror=format-security -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2 -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong --param=ssp-buffer-size=4 -Werror=trampolines -fomit-frame-pointer -march=i686 -fasynchronous-unwind-tables -mtune=pentium4 -gdwarf-4 -fno-debug-types-section -fvar-tracking-assignments -g2  -Wall -pthread -MT server_thread-server.o -MD -MP -MF .deps/server_thread-server.Tpo -c -o server_thread-server.o `test -f 'server.c' || echo './'`server.c
server.c: In function 'handler':
server.c:56:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |                 write(ret, buf, len);
      |                 ^~~~~~~~~~~~~~~~~~~~
mv -f .deps/server_thread-server.Tpo .deps/server_thread-server.Po
make[3]: Leaving directory '/tmp/B.chw1r90l/BUILD/ivykis-0.42.4/test.mt'
make[2]: *** [Makefile:405: all] Error 2
make[1]: *** [Makefile:400: all-recursive] Error 1
make: *** [Makefile:330: all] Error 2
error: Bad exit status from /tmp/B.chw1r90l/BUILD/tmp/rpm-tmp.snNDqo (%build)
RPM build warnings:
    Could not canonicalize hostname: tld-x86
RPM build errors:
    Bad exit status from /tmp/B.chw1r90l/BUILD/tmp/rpm-tmp.snNDqo (%build)
ended at: Sun Dec  3 19:05:43 2023, done in 0:00:07.225238
error: No files produced.
+ chmod -R u+rwX /tmp/B.chw1r90l/BUILD
+ rm -rf /tmp/B.chw1r90l/tmp /tmp/B.chw1r90l/BUILD
+ rm -rf /tmp/B.chw1r90l
Begin-TLD-Builder-Info
Build-Time: user:10.75s sys:2.47s real:7.64s (faults io:26 non-io:1625195)
End-TLD-Builder-Info